NOVICA Hand Blown Brown Recycled Glass Water Glasses,12 oz 'Tall Tortoise Shell' (set of 6) Size: 6" H x 3.2" Diam. Authentic: an original NOVICA fair trade product in association with National Geographic. Certified: comes with an official NOVICA Story Card certifying quality & authenticity. Exceptional Artisan Quality by Javier and Efren Product Info: Blown glass